Islip Avionics Inc. provides a wide range of aircraft avionics systems including from but not limited to the following manufacturers:
- Appareo
- Aspen Avionics
- Avidyne
- Hawker Beechcraft
- Bendix/King
- Bose
- Century Flight Systems
- Cessna
- Cirrus
- David Clark
- Dynon Avionics
- Electronics International
- Flight Display Systems
- Garmin
- Genesys Aerosystems
- Insight Avionics
- Jeppesen
- J.P. Instruments
- L3 Communications
- Mooney
- Piper
- PS Engineering
- RC Allen
- Reiff Preheat Systems
- Sandel
- Shadin
- Sigma-Tek
- Tanis Aircraft Product
- Telex
- Trio Avionics
- VAL Avionics
- Voiceflight Systems
- XM Satellite Radio
